1618454980

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{4651}}^1$

素因数の和:4924

約数の個数: 48

約数和(自身を含む): 3451262976

約数和(自身を除く): 1832807996

約数列:

[1, 2, 4, 5, 10, 20, 127, 137, 254, 274, 508, 548, 635, 685, 1270, 1370, 2540, 2740, 4651, 9302, 17399, 18604, 23255, 34798, 46510, 69596, 86995, 93020, 173990, 347980, 590677, 637187, 1181354, 1274374, 2362708, 2548748, 2953385, 3185935, 5906770, 6371870, 11813540, 12743740, 80922749, 161845498, 323690996, 404613745, 809227490, 1618454980]

約数ペア:

[(1, 1618454980), (2, 809227490), (4, 404613745), (5, 323690996), (10, 161845498), (20, 80922749), (127, 12743740), (137, 11813540), (254, 6371870), (274, 5906770), (508, 3185935), (548, 2953385), (635, 2548748), (685, 2362708), (1270, 1274374), (1370, 1181354), (2540, 637187), (2740, 590677), (4651, 347980), (9302, 173990), (17399, 93020), (18604, 86995), (23255, 69596), (34798, 46510)]